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- Installs
- 500,000+
- Category
- Tools
- Content rating
- Everyone
- Version
- 4.10.1
- Released
- Mar 22, 2015
- Last updated
- 7 Oct 2026
- In-app purchases
- No
- Contains ads
- No
- Promo video
- No
- Requires Android
- 8.0
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Castro 4.10 introduces expanded sensor and device support, new sensor instruments, Urdu localization, a configurable startup screen, dashboard upgrades, and improvements to reporting accuracy, PDF exports, and app stability. Detailed changelog: https://pavlorekun.dev/castro/changelog
Learn the vast amount of system information about device and monitor it's state
Castro is a huge collection of information about your device and a set of tools for monitoring its status. This allows you to check the performance of your device in real-time! Large collection of the information Castro processes and displays a huge amount of information, namely: • Detailed processor statistics (CPU and GPU); • Battery monitoring; • Consumption of all kinds of memory; • Data usage via Wi-Fi and mobile networks; • Real-time sensors data with useful graphs; • Detailed information about device's cameras; • Full list of available audio and video codecs; • Monitoring temperatures of the device; • And many other features, including DRM and Bluetooth! The most important thing in the "Dashboard" If you are not interested in too detailed information in a larger volume, you can always use the "Dashboard" window, which collects all the most important information - CPU usage, battery status, network usage, and memory load on the device. More control with useful tools • Share your device information using "Data export"; • Test your display state via "Screen tester"; • Check the noise around you with "Noise checker". Even more features with "Premium" • Deep interface customization with various colors and themes; • Configurable home-screen widget, with information about battery, memory, and more; • Network traffic speed monitor to track your connection speed; • CPU usage monitor to keep abreast of frequency usage; • PDF format for information exporting. FAQ Looking for answers to frequently asked questions (FAQ)? Visit this page: https://pavlorekun.dev/castro/faq/